Improvement int sowing-machines



NITED raras Fatt* FFICE.

W. D. MASON, OF JARRATTS, VIRGINIA.

IMPROVEMENT lNSOWlNGmi/lCi-HNES.

Specification forming part of Letters Patent No. 29,@9?, dated September 4, 1860.

and Pulverulent Manures and I do hereby declare that the following is a full, clear, and

exact description ot' the same, reference being' had to the annexed drawings, making a part of this speeication, in which- Figure l is a side sectional view of my invention, taken in the line .r m, Fig. 2; Fig'. 2, a front sectional view of the same, taken in the line yy, Fig. 1.

Similar letters of reference indicate corresponding parts in the two figures.

This invention consists in the employment or use vof pecnliarlyconstructed hoppers and screws, arranged with a working-fan and inclined distributing-board, to operate as hereinafter fully shown and described. The object ot' the invention is to obtain a simple device for sowing seed and pulverulent manures evenly, so that equal quantities will be distributed .over equal areas of ground.

To enable those skilled in the art to fully understand and construct my invention, I will proceed to describe it.

A represents a rectangular frame of suitable dimensions, with a draft-pole, B, secured to its front end. rIhe frame A is mounted on wheels C C', and has two hoppers, D E, placed in it, one at its front and the other at ils back part. The hoppers D E extend the whole width of the frame A, and their lower parts, a, are of rectangular form and their upper parts, l), of flaring form, as shown clearly in Fig. l. The lower rectangular parts, a, of the hoppers are divided into a series ot' compartments, c, with chambers d between thi-m, said chambers being open at their bottoms, as shown clearly in Fig. 2. Through the lower part, a, of each hopper a screw, F, passes. These screws pass through the lower parts of the compartments c and chambers d, and each screw has atoothed wheel, G, at one end, and these toothed wheels gear into a wheel, H, which is on the axle I ofthe wheels G C'.

0n the axle I there is placed va wheel, J,-

To the front part of the frame A, and to its under side, there is attached an inclined board, M, said board projecting downward and backward, and extending the whole width of the frame below hopper E.

The operation is as follows: As the machine is drawn along the screws are rotated by means of the gearing G G H, and the seed and manure in the hoppers DE are fed out from the compartments c and discharged from the lower4 attached, said apron extending down within a short distance ot' the ground and preventing the wind acting upon the falling seed and manure-a contingency which would often prevent-an even sowing ot' the seed and manure.

By having the screens arranged with the compartments c and chambers d, as shown, the seed and manure are very regularly sown, being discharged in small droppings from different parts ot' the hopper in line with each other, and as the operation ot' the screws is arbitrary the device cannot become choked or clogged.

I would remark that the screws F need not be continuous ones. rEhe portions within the compartments c should have the spiral tlange;

i but smooth portions of a rod may connect said flanges, the smooth portions being in the chambers d. `I am aware that rotating screws 'have been used in seeding and analogous machines, and

-c and chambers d, substantially as and for the purpose speciied.

2. In connection with the hoppers D E, the rotating fan L and inclined board M, as and for the purposes set forth.

Witnesses:

THOMAS J. Fox, JOHN W. WALTON. 

